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Microfossils often present in petroleum ...

Microfossils often present in petroleum producing formations are those of

A

Radiolarians

B

Diatoms

C

Helizoans

D

Foraminiferans

Text Solution

Verified by Experts

The correct Answer is:
D
Foraminifera are protists that make a shell by secreting calcium carbonate or glueing together grains of sand or slit. After death the planktonic foraminifera settle to the bottom and destroyed or degrade by micro organisms to produce petroleum.
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